JAVA扫雷简单实现

package learn.js;
 
import java.util.*;
 
public class JiS {
    static boolean game = true;
 
    static int t = 20;// 棋盘大小
    static int COLS = t;// 行数，扫雷棋盘
    static int ROWS = t;// 列数，扫雷棋盘
 
    static int UNVISITED = 0;// 未访问过的
    static int VISITED = 1;// 已访问过的
 
    static int COVER = -2;// 遮罩标记
    static int UNCOVER = -3;// 显示标记
    static int FLAG = -4;// 玩家避难有雷标志
 
    static int LEI = -1;
 
    static int LEFT = 0;// 代表鼠标左键
    static int RIGHT = 1;// 代表鼠标右键
 
    static int[][] NUMPANEL = new int[COLS][ROWS];// 数字盘
    static int[][] BJPANEL = new int[COLS][ROWS];// 标记盘
    static int[][] LEIPANEL = new int[COLS][ROWS];// 雷盘
    static int[][] HPANEL = new int[COLS + 2][ROWS + 2];// 辅助状态转换盘
 
    Random ran = new Random();
 
    public void initPanel(int numOfLei) {
 
        for (int i = 0; i < numOfLei; i++) {
            int key = ran.nextInt(t * t);
            HPANEL[key / t + 1][key % t + 1] = LEI;
        }
        for (int i = 1; i < ROWS + 1; i++) {
            for (int j = 1; j < COLS + 1; j++) {
                HPANEL[i][j] = update(i, j);
                NUMPANEL[i - 1][j - 1] = HPANEL[i][j];
                BJPANEL[i - 1][j - 1] = COVER;
                LEIPANEL[i - 1][j - 1] = UNVISITED;
            }
        }
        // System.out.println(printlnArray(NUMPANEL));
        System.out.println(printlnArray(BJPANEL));
    }
 
    /**
     * 标记盘对照方法
     *
     * @param i
     * @return
     */
    public String checkBJ(int i, int j, int key) {
        String rtn = "";
        if (key == COVER) {
            rtn = "$";
        } else if (key == FLAG) {
            rtn = "?";
        } else {
 
            if (HPANEL[i + 1][j + 1] == 0) {
                rtn = " ";
            } else if (HPANEL[i + 1][j + 1] == LEI) {
                rtn = "+";
            } else {
                rtn = HPANEL[i + 1][j + 1] + "";
            }
        }
        return rtn;
    }
 
    /**
     * 简单雷盘对照方法
     *
     * @param i
     * @return
     */
    public String check(int i) {
        String rtn = "";
        if (i == LEI) {
            rtn = "*";
        } else if (i == COVER) {
            rtn = "$";
        } else {
            rtn = i + "";
        }
        return rtn;
    }
 
    public String printlnArray(int[][] a) {
        return printlnArray(a, 0);
    }
 
    public String printlnArray(int[][] a, int type) {
        StringBuffer rtn = new StringBuffer();
        rtn.append("            ");
        rtn.append("|-");
        for (int i = 1; i < a.length; i++) {
            rtn.append("--");
        }
        rtn.append("-|");
        rtn.append("\n");
        for (int i = 0; i < a.length; i++) {
            rtn.append("            ");
            rtn.append("|");
            for (int j = 0; j < a[0].length; j++) {
                rtn.append(type == 0 ? check(a[i][j]) : checkBJ(i, j, a[i][j]));
                rtn.append(' ');
            }
            rtn.append("|\n");
        }
        rtn.append("            ");
        rtn.append("|-");
        for (int i = 1; i < a.length; i++) {
            rtn.append("--");
        }
        rtn.append("-|");
 
        return rtn.toString();
    }
 
    public int update(int i, int j) {
        int rtn = 0;
        if (HPANEL[i][j] == LEI) {
            rtn = LEI;
        } else {
            for (int k = i - 1; k <= i + 1; k++) {
                for (int l = j - 1; l <= j + 1; l++) {
                    if (HPANEL[k][l] == LEI) {
                        rtn++;
                    }
                }
            }
        }
        return rtn;
    }
 
    // Stack visitS;
 
    public void tuo(int i, int j) {
        // visitS.pop();
        if (i > ROWS || i < 1 || j > COLS || j < 1)
            return;
        if (LEIPANEL[i - 1][j - 1] == VISITED)
            return;
        if (BJPANEL[i - 1][j - 1] == FLAG)
            return;
        if (HPANEL[i][j] > 0) {
            LEIPANEL[i - 1][j - 1] = VISITED;
            BJPANEL[i - 1][j - 1] = UNCOVER;
            return;
        }
 
        LEIPANEL[i - 1][j - 1] = VISITED;
        BJPANEL[i - 1][j - 1] = UNCOVER;
        // 下
        tuo(i, j + 1);
        // 上
        tuo(i, j - 1);
        // 右
        tuo(i + 1, j);
        // 右上
        tuo(i + 1, j - 1);
        // 右下
        tuo(i + 1, j + 1);
        // 左
        tuo(i - 1, j);
        // 左下
        tuo(i - 1, j + 1);
        // 左上
        tuo(i - 1, j - 1);
 
    }
 
    public int updateBJ(int i, int j, int type) {
        int rtn = 0;
        if (type == LEFT) {
 
            if (HPANEL[i][j] == LEI) {
                game = false;
 
            } else {
                if (HPANEL[i][j] == 0 && LEIPANEL[i - 1][j - 1] == UNVISITED) {
                    // visitS = new Stack();
                    // visitS.push(new int[] { i, j });
                    tuo(i, j);
                }
            }
        } else {
            BJPANEL[i - 1][j - 1] = FLAG;
        }
        return rtn;
    }
 
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
 
        JiS js = new JiS();
        js.initPanel(39);
        js.process();
    }
 
    /**
     *
     */
    public void process() {
        Scanner s = new Scanner(System.in);
        l: while (game) {
            System.out.println("请输入要点击的行数>0&&<" + ROWS + ": ");
            int rows = s.nextInt();
            while ((rows) < 1 || rows > ROWS) {
                System.out.println("请输入要点击的行数>0&&<" + ROWS + ": ");
                rows = s.nextInt();
            }
            rows -= 1;
            System.out.println("请输入要点击的列数>0&&<" + COLS + ": ");
            int cols = s.nextInt();
            while ((cols) < 1 || cols > COLS) {
                System.out.println("请输入要点击的列数>0&&<" + COLS + ": ");
                cols = s.nextInt();
            }
            cols -= 1;
 
            System.out.println("请输入要点击的类型左键" + LEFT + "右键" + RIGHT + ": ");
            int type = s.nextInt();
            while (type != LEFT && type != RIGHT) {
                System.out.println("请输入要点击的类型左键" + LEFT + "右键" + RIGHT + ": ");
                type = s.nextInt();
            }
            if (BJPANEL[rows][cols] == VISITED)
                continue l;
            BJPANEL[rows][cols] = (type == LEFT ? UNCOVER : FLAG);
 
            updateBJ(rows + 1, cols + 1, type);// 更新被点击坐标的周围标志
 
            for (int i = 1; i < ROWS + 1; i++) {
                for (int j = 1; j < COLS + 1; j++) {
                    HPANEL[i][j] = update(i, j);
                    NUMPANEL[i - 1][j - 1] = HPANEL[i][j];
                }
            }
            System.out.println(printlnArray(BJPANEL, 1));
            // System.out.println(printlnArray(NUMPANEL));
        }
        System.out.println("GAME OVER");
    }
 
}